Features: High efficiency (＞82%). The 3-stage microprocessor controlled charging process provides the best possible application and enables efficient battery charging. Charging voltage adapts to temperature to prevent over or under battery charging. Capable of recharging severely discharged or heavily sulfated battery. Reverse polarity protection, short circuit protection, sparks free contact. LCD display, voltage, current, temperature and so on. Ease of use, clear charging status display. Specification: Plug: UK Plug Type: Smart & Automatic AC Input: 100-240V 50/60Hz Output Voltage: 12V/24V Auto Output Current: 12V 8A & 24V 4A Output Volt No Load: 13.8V Minimum Start Volt: ＞2.0V Input Power With Load: Max.130W Input Power No Load: 3.2W Cooling: Fan Item Size: 17 * 9.8 * 5.8cm / 6.69 * 3.86 * 2.28in Item Weight: 560g / 19.75oz Package Size: 23.2 * 13 * 6.6cm / 9.13 * 5.12 * 2.60in Package Weight: 648.3g / 22.87oz Package List: 1 * Battery Charger 1 * User Manual